@book{36484,
	author = {Gershman, George. and Ament, Marvin Earl, and ebrary, Inc.},
	title = {Practical pediatric gastrointestinal endoscopy},
	publisher = {Blackwell Pub.,},
	year = {2007.},
	address = {Malden, MA ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10236576}
}